Which of the four statements describe the arrangement of particles in a solid? A. 1 and 2
B. 2 and 4
C. 1 and 3
D. 2 only

Lewis structure and molecular geometry for nh2cl

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

Chromosome 17 is made of over million base pairs.